were numbers and . both of these elements had been predicted by mendeleev, who had named them ekamanganese and dwimanganese respectively, but despite many attempts and declarations of discovery later deemed false, both elements remained elusive until . in that year, the team of walter noddack and ida...
aim d underlines. most recently, the company has suggested spares for discontinued parts hepcomotion's slimline bearings and the nv slide from its gv linear guide system provided the best solution for aim d's needs as an area where its machine and process can offer a solution. exampling a component of...
rare earth oxides. he isolated two new oxides, which eventually led to the identification and naming of the elements holmium and thulium. thulium is named after thule, scandinavia. despite being very rare and expensive, thulium has several commercial uses. notably, it is used as a dopant for garnets...
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